 body {
   margin: 0px;
 }

 .el-header,
 .el-footer {
   background-color: #545c64;
   color: #333;
   text-align: center;
   line-height: 60px;
 }

 .el-aside {
   background-color: #545c64;
   color: #333;
   text-align: center;
   line-height: 200px;
 }

 .el-main {
   background-color: #E9EEF3;
   color: #333;
   text-align: center;
   line-height: 160px;
 }

 body>.el-container {
   margin-bottom: 40px;
 }

 .el-container:nth-child(5) .el-aside,
 .el-container:nth-child(6) .el-aside {
   line-height: 260px;
 }

 .el-container:nth-child(7) .el-aside {
   line-height: 320px;
 }
